Fuel quality is determined in auto-igniting internal combustion engine

Fuel quality is determined in auto-igniting internal combustion engine

  • CN 101,861,457 B
  • Filed: 10/02/2008
  • Issued: 09/02/2015
  • Est. Priority Date: 11/15/2007
  • Status: Active Grant
First Claim
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1. one kind for determining the method for fuel quality in auto-igniting internal combustion engine, spray under certain crank shaft angle during the thrust cut-out stage of internal-combustion engine in the process and a certain amount of certain fuel quantity be deviate from for the necessary fuel quantity of running state, wherein, detect crankshaft torque share caused thus, it is characterized in that, determine absolute or relative the measuring about fuel quality based on detected crankshaft torque share.

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